already britain's top two policemen have resigned. now, the prime minister is in the cross hairs. david cameron is on the hot seat tomorrow. but today the focus was on the patriarch and his younger son, james. >> james and i would like to say how sorry we are for what has happened. >> reporter: both expressed regret. >> invading people's privacy by listening to their voicemail is wrong. paying police e ficers for information is wrong. >> it's a matter of great regret of mine, my father's and everyone at news corp. ration. >> reporter: they blamed news executives and reporters lower down the corp rate food chain. >> the people that i trusted to run it and then maybe the people they trusted. >> reporter: among murdoch's most trusted employees, his own children, who ran multimillion dollar chunks of the family business. today, murdoch rejected any suggestion he could resign. >> i think that, frankly, i'm the best person to clear this up. >> he has 55,000 employees worldwide. and "news of the world" represented 1% of his operation. he isn't in the ranks fiddling at low levels with rep